/Engine/Source/Runtime/Landscape/Classes/LandscapeNaniteComponent.h
Ensures the cooked cached platform data of the Nanite static mesh is finished. It is necessary to ensure that StreamablePages are loaded from DDC
true if the Nanite mesh creation was successful
bool InitializePlatformForLandscape ( [ALandscapeProxy](API\Runtime\Landscape\ALandscapeProxy) * Landscape, const [ITargetPlatform](API\Developer\TargetPlatform\Interfaces\ITargetPlatform) * TargetPlatform )